Changing the oil in the rear axle (for use on VAZ-2106 / VAZ-2103 models)

Any vehicle needs high-quality and fresh oil, regardless of what model of car is parked in your garage. It is the oil fluid that ensures the normal functioning of many units, reduces friction, and prevents wear of important components. Today we will talk about the domestic “six”. VAZ-2106 owners should know that the oil needs to be changed in the engine, in the gearbox, and also in the rear axle. By the way, some car owners neglect this recommendation, confidently believing that this procedure is absolutely useless. This is a dangerous misconception. In order for the car to drive successfully for as long as possible, you need to change the oil in the rear axle twice a year. We'll talk further about what causes this.

Instructions for changing the oil in the rear axle gearbox of the VAZ-2106.

Where is the oil? What kind of oil is in the car components?

In a VAZ 2106 car, oil is located in three places, namely in the engine, variable gearbox and rear axle gearbox. What kind of oil should it be? Experienced drivers know that in winter, oil has the excellent property of solidifying. Mineral oil hardens “best”; it becomes the consistency of solid oil and, accordingly, starting the engine in cold weather becomes simply impossible without additional heating of the engine. Thus, it is better to pour semi-synthetic or synthetic oil into the engine, but for a VAZ 2106, Perhaps the best option would be the first option – semi-synthetics. This oil is labeled 10W-40 (the most common and optimal for filling) . ZIC oil is often recommended.

Oil 10w-40 ZIC

Transmission oil is pouring into the gearbox and rear axle. Usually it is 75W-90.

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What do you need to know?

The purpose of transmission oil is approximately the same as engine oil, with minor differences. Such oil should evenly and effectively lubricate the rubbing components of the gearbox. This is needed for additional cooling and reducing the coefficient of friction. Many motorists never change the oil in the gearbox at all, which subsequently leads to the need to overhaul it.

In this article we will look at the line of domestic cars with a manual transmission. An automatic is a different topic for discussion, since everything is arranged differently there, but the oil also needs to be changed. First of all, let’s figure out whether it’s worth following the manufacturer’s recommendations. In addition, we will consider reviews from motorists regarding this or that brand of gear oil. In general, we will try to cover this issue as best as possible.

Replacement frequency, what oil to fill

According to the manufacturer's regulations, service changes of engine oil on the VAZ 2106 are carried out after 8,000-10,000 kilometers or at intervals of 1 year. But some car owners consider this interval to be a little too high, recommending that it be shortened taking into account operating conditions.

It is recommended to use semi-synthetic with a viscosity of 10W-40 as a lubricant. The following motor oils are most popular among model owners:

• Lada Professional 10W-40
• Lukoil Genesis Advanced 10W-40
• Shell Helix HX7 10W-40
• Total Quartz 7000 10W-40

When using this car in winter, you should select oil taking into account the climate zone, as well as the recommendations of AvtoVAZ. Viscosity 5W-40 will allow you to operate the car down to -30°C, and 0W-40 up to -35°C.

How much oil is in the engine lubrication system, volume table

About viscosity grade

If we talk about models such as VAZ-2106, 2107, then for these cars they most often choose a lubricant with a viscosity of 75w90. This is a synthetic or semi-synthetic base. This gear oil is excellent for use in harsh weather conditions. The temperature range at which this lubricant can be used is from -40 to +35 degrees Celsius.

In addition, oils with viscosity 75w85 and 80w85 are widely used. These are all-season lubricants that are also excellent for use in low temperatures. It is worth noting that the manufacturer recommends using these viscosity grades. In general, oils such as TNK or Lukoil of the corresponding group and class can be poured into domestic classics.

Tools and accessories

What is required to change the oil in the units of a VAZ 2106 car? The list is small:

• Hexagon 12. Useful for unscrewing drain plugs from units.
• The key is 17. We will use it to unscrew the filler plugs on the box and rear axle.
• Watering can for pouring oil into the engine.
• Syringe for filling oil. If you don’t have a special syringe, you can use a regular one with a hose of the required diameter attached to it.
• Oil container. The container should be of medium size. There is not much oil in the gearbox and gearbox, but in the engine there is almost 4 liters. A bucket and an old basin are best.
• The oil itself that we will fill. You need to buy a 5 liter canister of engine oil (there will be some left for topping up), and 4 liters of transmission oil (there will also be some left).

That's all the tools that require changing the oil in a VAZ 2106.

Checkpoint "Niva Chevrolet"

The domestic SUV is extremely passable and reliable, but requires careful maintenance. In particular, this applies to a manual transmission. It is allowed to use oil of group GL-4/GL-5 or GL-5. For normal operation of the unit, oils with the following viscosity are best suited: SAE 75W-90, 80W-85 and 80W-90. If you comply with all the above requirements, the box will work much quieter and longer.

Among motorists, a rating of proven transmission oils has long been formed. It is best to pay attention to them. If you are asking the question: “Which gear oil is best for the Chevrolet Niva?”, then you should definitely try Eneos 80W90 Gear GL5. This lubricant showed excellent performance at low temperatures, maintaining acceptable fluidity. True, it is sold only in 4-liter cans, which is not very convenient. Also, many motorists advise trying Castrol Syntrax Universal Plus. This is an expensive transmission that provides impeccable softness of gear shifting with a long replacement interval - 300 thousand kilometers.

Stages of replacing lubricant VAZ 2106

On classic Lada cars or the more familiar Zhiguli, a convenient drainage of used oil from the engine is provided. The oil filter is also easily accessible and can be reached from the engine compartment.

During the production of the VAZ 2106, a large number of modifications were produced, which were equipped with various engines. Experienced drivers note good maintainability, unpretentiousness in maintenance, as well as consumables.

Before starting to replace the lubricant, precautions should be taken. It should be noted that the drained waste will be at a high temperature. Since the replacement is carried out on a warm engine.

Draining waste fluid

Before starting the draining procedure, you should prepare tools, empty containers, as well as new liquids for subsequent filling. If additional protection is installed under the engine, it can also be removed for convenience.

Next, we perform the procedure for draining the liquid from the VAZ 2106:

We lift the hood, under it we find the filler neck on the engine and unscrew the plug (Fig. 1).

To unscrew the filter element, it is advisable to have a special puller. If it is not available, you can try to unscrew the filter using improvised means. In this case, you can use, for example, an old alternator belt, a regular belt, a bicycle chain or a simple screwdriver.

Using this method, you can drain the maximum amount of used oil, after which you can proceed to further actions. The main thing is not to forget, everything that we unscrewed must be put back in place.

Flushing the lubrication system

Flushing the engine on a VAZ 2106 should be carried out only in exceptional cases, which include:

• Purchasing a used car when you cannot know about the quality, as well as the regularity of lubricant replacements.
• During operation, the service replacement interval was repeatedly exceeded.
• Engine operation with constant frequent overheating, which contributes to coking and other deposits.
• In cases of switching to another type, for example from synthetics to semi-synthetics.

There are several types of flushes for the VAZ 2106 engine:

• Five- or seven-minute, capable of cleaning even the most difficult deposits. They must be used very carefully and strictly follow the instructions printed on the packaging. It is recommended to use them only when absolutely necessary. Since there is a high probability of causing premature wear of the sealing seals. And also clog the oil channels with particles of washed away carbon deposits.
• Special compounds that are added to the oil several hundred kilometers before the expected change. They are more gentle, but there is also a possibility of clogging of the oil channels.
• Flushing oil is the most gentle method of cleaning the engine from the inside. This composition is poured after draining the waste, the engine runs for 15-20 minutes, after which the liquid with deposits is drained. The absence of aggressive additives in the wash composition gently cleans the engine, but is not able to remove heavy contaminants.
• Regular oil that you are going to use when changing. This method is not so popular due to its high price.

Installing a filter, filling in new engine fluid

If the VAZ 2106 lubrication system is sealed and does not require repair work to eliminate leaks, you can proceed to filling in fresh engine oil. In addition to the oil itself, we may need a new drain plug, its part number 14325301. As well as the original oil filter 2101-1012005.

When everything is ready, let's move on to the bay:

• Replace the drain plug and replace it with a new one if necessary.
• We tighten and put the oil filter in place. Pre-lubricate the rubber sealing ring with fresh oil.
• Pour new oil into the filler neck.
• We check the level on the dipstick; it should be between the MIN and MAX marks.
• We start the engine, let it run for 10-15 seconds, then turn it off.
• After 5 minutes, check the level with a dipstick and top up if necessary.

Reviews from motorists

It is also necessary to pay attention to the opinions of experienced drivers. The fact is that sometimes it is not advisable to buy expensive gear oils, because some domestic ones have no worse performance characteristics. For example, many people ask the question: “Which transmission oil is best for the VAZ-2106?” The manufacturer recommends filling with Rexol T Hypoid or Lukoil TM-5. But motorists do not always pour these exact oils.

This is especially true for drivers who love and care for their cars. In this case, very often preference is given to more expensive foreign analogues, such as Castrol or Shell. Liquid Moly is very popular. Two liters of lubricant costs about 1,000 rubles. It may seem expensive to many, but it's worth it. This is a synthetic transmission that is simply perfect for domestic gearboxes.

Signs of gearbox problems

The rear gearbox is one of the reliable mechanisms of classic Zhiguli cars and breakdowns rarely occur with it. However, like any other unit, it may have its own malfunctions, which are determined by characteristic symptoms. They are worth dwelling on in more detail.

Noise when accelerating

If during acceleration there is an extraneous sound from the gearbox installation site, then it can be caused by:

• worn out or incorrectly adjusted differential bearings. It will require dismantling, disassembling and diagnosing parts with subsequent adjustment;
• Incorrect meshing of the teeth of the main pair gears. Eliminated by proper adjustment;
• lack of lubrication in the gearbox. The lack of oil in the crankcase is restored, after which it is checked for leaks at the places where the sealing elements are installed.

If noise occurs both during acceleration and during braking by the power unit, there may not be many reasons:

• deterioration or failure of the bevel gear bearings of the main pair. Eliminated by replacing failed elements;
• Incorrect adjustment of the gap between the tip and the planetary gear. The mechanism needs to be diagnosed and replaced with damaged parts, as well as setting the required gap between the gear teeth.

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Let's sum it up

So we figured out what kind of oil to fill in different car models. Currently, the choice of gear oils is simply huge. Therefore, you can find a suitable option for both the Niva and the VAZ-2114. What gear oil is best to fill? Definitely original. The fact is that today fakes are quite common. Therefore, you should buy only in trusted places, preferably from a dealer. But this applies to foreign oils. Domestic ones are counterfeited very rarely, due to their low cost.

From all this we can draw a simple conclusion that you just need to follow the manufacturer’s recommendations. Especially if you prefer a confident driving style. If the box is regularly subjected to increased loads, then it is advisable to use appropriate oils. In general, the gearbox of domestic cars is very reliable, but do not forget about its maintenance. In this case, you can count on a very long service life of the gearbox. Typically, it lasts about 300,000 kilometers before a major overhaul with moderate driving. If you turn the engine up to 5 thousand revolutions, then you should not expect more than 100 thousand kilometers.

Source

↑ How to flush the gearbox?

If the oil drained from the gearbox housing is dark in color or metal particles are visible in it, it is necessary to flush the gearbox.

• To do this, fill it with about 1 liter of a mixture of gear oil with 20–30% kerosene or diesel fuel.
• Then, having hung one of the rear wheels, turn on 1st gear and start the engine.
• After 2–3 minutes, drain the flushing mixture and pour 1.3 liters of transmission oil into the gearbox.

↑ Checking the oil level

The oil level should reach the bottom edge of the filler hole.

What and when to pour into the VAZ-2110 gearbox?

The box, which is used in the domestic “ten”, is quite durable and hardy. But this is only subject to proper operation and timely replacement of transmission oil. The most suitable for the VAZ-2110 gearbox can be considered a synthetic base. This is especially true for cars that are operated in extreme conditions. True, synthetics have one drawback, which is their high cost. But, given the replacement interval, you can spend money. As a last resort, it is permissible to use semi-synthetic oils. But you can’t mix synthetics and semi-synthetics. You shouldn't forget about this.

If we talk about which gear oil is best for the VAZ-2110, then the first thing you need to decide on is the viscosity. There are summer, winter and all-season transmission oils. The latter are the most popular due to their versatility. True, the price tag for such a lubricant is a little higher, but it’s worth it. The manufacturer recommends TM-14-2 oil, which is what needs to be poured into the box. There are better analogues, such as Lukoil-Super. True, the base here is mineral, so it is not suitable for gears, but it supports the operation of synchronizers perfectly. Valvoline SynPower is a Dutch synthetic oil. It is expensive, but the performance characteristics are at the highest level.

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Criteria for choosing the right oil

Before choosing the most suitable oil composition, you need to know all the information about the car:

• what year the engine was produced, its modification, as well as the degree of wear;
• how it is operated, what are the weather characteristics of the region;
• Does the engine have hydraulic compensators that regulate valve clearances?

The year of manufacture is important because older engines manufactured back in the 70s and 80s had oil seals, oil seals, and other sealing elements made of nitrile rubber. All parts made from this material do not tolerate oils based on synthetics or semi-synthetics. This disadvantage is eliminated by replacing them with imported ones made from rubber. True, this can also have negative consequences - if the motor power supply system is not entirely working. The fact is that gasoline, being a solvent, destroys rubber. So you need to be careful here. Additionally, if the valves have hydraulic compensators, they will require a lower viscosity lubricant. This applies to relatively new engines.

What engine oil is better to fill in the VAZ 2106 engine? In order to eliminate the error, you should refer to the vehicle’s service documentation. The permissible viscosity (SAE) should be indicated there, as well as the main characteristics (American API classifier, European ACEA or American-Asian ILSAC). If the Soviet GOST 17479.1-85 is indicated, lubricating compounds are divided into 6 categories:

• A – used for engines that do not have afterburner;
• B – refers to motors with a minimum boost level;
• B – average afterburner;
• G – highly accelerated motors are lubricated;
• D – the same as “G”, only for diesel engines;
• E – this category refers to powerful, large diesel engines (river transport, stationary installations).

Indexes have been added to categories B, C, D indicating belonging to carburetor systems (1) or diesel engines (2). If the index is not indicated, it means that the oil fluid is suitable for both types of engines. GOST designations are now rarely used because they are quite difficult to decipher.

( 1 rating, average 5 out of 5 )

What is best for the Priora checkpoint?

Approximately 90% of owners of this sedan prefer to pour exactly what the manufacturer recommends. The whole point is that Priora is advised to fill it with Lukoil TM-412. This is a relatively inexpensive, but at the same time high-quality lubricant, which is available in all car dealerships. However, there are many other suitable gear oils. For example, Rosneft, Castrol, Motul, etc. are often used. The last two options are the most preferable. True, their cost is much higher than their domestic counterparts.

It is better not to use mineral-based oils. This lubricant oxidizes much faster and therefore requires more frequent replacement. In addition, there will be uneven wear of the rubbing parts, which will ultimately lead to physical vibrations and deterioration of the operation of the unit as a whole. Therefore, it is advisable to fill in high-quality synthetic all-season gear oil. If you observe the intervals and do not overload the gearbox, then it will work for a long time and properly. Which gear oil is best for Priora? Usually, high-quality TM-412 lubricant is sufficient, but more expensive analogues can also be used.

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